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Population of Counties in New York (2024)

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2024 Population
Growth Since 2020
Area (mi²)
Density (/mi²)
Kings County2,532,919-6.82%2736,709Kings County location
Queens County2,225,834-6.82%4220,420Queens County location
New York County1,600,359-4.58%969,581New York County location
Suffolk County1,518,366-0.24%3521,667Suffolk County location
Nassau County1,378,136-0.89%1104,836Nassau County location
Bronx County1,331,144-8.9%1631,694Bronx County location
Westchester County989,898-1.15%1662,297Westchester County location
Erie County943,871-0.89%403905Erie County location
Monroe County746,077-1.51%2541,136Monroe County location
Richmond County490,016-0.93%228,449Richmond County location
Onondaga County466,018-1.72%300599Onondaga County location
Orange County408,4491.86%313503Orange County location
Rockland County341,2571.15%671,961Rockland County location
Albany County317,3971.08%202607Albany County location
Dutchess County296,6910.27%307373Dutchess County location
Saratoga County238,9541.34%313295Saratoga County location
Oneida County226,752-1.87%468187Oneida County location
Niagara County208,447-1.73%201399Niagara County location
Broome County194,896-1.65%273276Broome County location
Ulster County182,3460.59%434162Ulster County location
Schenectady County160,1100.52%79781Schenectady County location
Rensselaer County159,189-1.05%252244Rensselaer County location
Chautauqua County124,438-2.31%409117Chautauqua County location
Oswego County118,0850.56%367124Oswego County location
Jefferson County114,113-1.69%48990Jefferson County location
Ontario County112,5070.13%249175Ontario County location
St. Lawrence County106,791-1.42%1K40St. Lawrence County location
Tompkins County102,8173.05%183216Tompkins County location
Putnam County97,8080.18%89425Putnam County location
Steuben County91,819-1.6%53766Steuben County location
Wayne County90,700-0.55%233150Wayne County location
Chemung County81,009-3.18%157199Chemung County location
Sullivan County80,1052.11%37483Sullivan County location
Clinton County78,193-1.89%40175Clinton County location
Cattaraugus County75,150-2.37%50557Cattaraugus County location
Cayuga County74,291-2.44%267107Cayuga County location
Madison County66,788-1.69%253102Madison County location
Warren County65,333-0.42%33575Warren County location
Livingston County60,976-1%24496Livingston County location
Otsego County59,8432.52%38760Otsego County location
Columbia County59,832-2.58%24594Columbia County location
Herkimer County59,384-1.09%54542Herkimer County location
Washington County59,284-2.96%32171Washington County location
Genesee County57,660-1.1%190117Genesee County location
Fulton County52,212-1.67%191105Fulton County location
Montgomery County49,403-0.17%156123Montgomery County location
Tioga County47,664-1.41%20092Tioga County location
Greene County46,779-2.04%25072Greene County location
Franklin County46,611-1.82%62929Franklin County location
Allegany County46,576-1.59%39845Allegany County location
Chenango County45,509-3.3%34551Chenango County location
Cortland County45,423-2.82%19391Cortland County location
Delaware County44,046-0.42%55731Delaware County location
Wyoming County39,463-1.98%22967Wyoming County location
Orleans County39,085-2.62%151100Orleans County location
Essex County36,787-1.31%69221Essex County location
Seneca County32,112-4.19%12599Seneca County location
Schoharie County30,1191.23%24048Schoharie County location
Lewis County26,501-0.22%49321Lewis County location
Yates County24,442-1.13%13072Yates County location
Schuyler County17,405-2.57%12753Schuyler County location
Hamilton County5,043-0.71%6633Hamilton County location
showing: 62 rows

There are 62 counties in New York. New York's most populous county in 2019 is Kings County, or the Brooklyn borough, with a population of 2,648,771. This represents growth of 5.49% since the 2010 census. New York is home to many counties and/or boroughs with more than 1 million people including Queens County (2,358,582), New York County (1,664,727), Suffolk County (1,492,953), Bronx County (1,471,160), and Nassau County (1,369,514). With the exception of Suffolk County (-0.12%), all of these counties have reported population growth of at least 2%.

New York Counties with Fewest Residents

Hamilton County is the least populated county in New York with 4,485 residents, a decline of 7.58% since the census. This is the only New York county under 15,000 people. There are a few other counties under 30,000 people in New York including Schuyler County (18,000), Yates County (24,955), and Lewis County (24,955). All of these counties -- in fact, all New York counties with fewer than 100,000 people -- have experienced a population decline.

New York Counties with Rapid Growth

Bronx County, which has the same boundaries as the Bronx borough, has experienced the most population growth since the census, increasing by 5.98% to 1,471,160. The only other counties with growth above 5% are Kings County and Queens County (5.49% each) and Rockland County (5.22%). Most counties in New York have lost residents since the 2010 census. The county that has experienced the greatest decline since 2010 is Hamilton County at -7.58% growth to 4,485. Other major declines occurred in Delaware County (-6.03%) and Chenango County (-5.03%).

Lists of Counties in all States

  1. New York State Data Center
  2. Cornell Program on Applied Demographics
  3. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  4. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  5. American Community Survey (2009 - 2013)
  6. Census QuickFacts
  7. Historical Populations of States and Counties (1790 - 1990)